/*
Copyright 2007-2009 Selenium committers

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
 */

package org.openqa.selenium.internal.seleniumemulation;

import com.thoughtworks.selenium.SeleniumException;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebDriverException;

public abstract class SeleneseCommand<T> {

  private long defaultTimeout;

  public T apply(WebDriver driver, String[] args) {
    try {
      switch (args.length) {
        case 0:
          return handleSeleneseCommand(driver, null, null);

        case 1:
          return handleSeleneseCommand(driver, args[0], null);

        case 2:
          return handleSeleneseCommand(driver, args[0], args[1]);

        default:
          throw new SeleniumException("Too many arguments! " + args.length);
      }
    } catch (WebDriverException e) {
      throw new SeleniumException(e.getMessage(), e);
    }
  }
  
  protected void setDefaultTimeout(long defaultTimeout) {
    this.defaultTimeout = defaultTimeout;
  }
  
  protected long getTimeout(String timeout) {
    return "".equals(timeout) ? defaultTimeout : Long.valueOf(timeout);
  }

  protected abstract T handleSeleneseCommand(WebDriver driver, String locator, String value);
}
